 |
|
 |
 |
|
|
|
|
|
 Researcherนาง พัชรี ตั้งตระกูลที่ทำงาน:ฝ่ายเคมีและกายภาพอาหาร สถาบันค้นคว้าและพัฒนาผลิตภัณฑ์อาหาร สาขาที่สนใจ:คุณสมบัติและการแปรรูปข้าวและแป้ง, การควบคุมคุณภาพอาหารทางเคมี Resume |
|
|
|
|
 |
|
|
 หัวเรื่อง:การอบแห้งโดยใช้ปั๊มความร้อนในระดับอุตสาหกรรม ผู้เขียน: Thanid Madhiyanon, Somchart Soponronnarit, Thanit Swasdisevi สื่อสิ่งพิมพ์:pdf AbstractThe prototype of an industrial-scale heat pump dryer (HPD) was designed, constructed and evaluated for performance. Drying chamber contained four trolleys with product capacity of 600-700 kg. In the experiments, papaya glace' was dried in closed system at an average temperature of 55?C, specific air flow rates of 25-32 kg dry air / h - kg dry papaya glace' and the evaporator by-pass air of 81%. The papaya glace' with initial moisture content of 83-86% dry basis was dried to final moisture content of 12-14% dry basis within approximately 32 hours. No significant variation of the average final moisture gradient along horizontal and vertical of dryer was observed (due to uniform air distribution within drying chamber). The results of experiment indicated that drying rate decreased rapidly with time, while total power consumption remained nearly constant. At high initial moisture content, the rate of moisture removal was higher than that of low initial moisture content. (The maximum average drying rate and SMER were 9.34 kg water evap/h and 0.782 kg water evap/kWh, respectively. The maximum average MER is 9.21 kg water cond/h, and the relative lowest average specific energy consumption is 4.92 MJ/kg water evap. The (COPhp)sys varied from 4.2 to 4.9 which was higher than (COPhp)used obtained by the internal condenser load which varied from 3.3 to 3.8. This attributed to the excess heat rejected to atmosphere through the external condenser.) The quality of dried papaya glace' in terms of color was acceptable due to low drying temperature. In conclusion, HPD achieved high energy efficiency, and it was feasible to be commercialized, particularly in food drying industry. |
ผลงานตีพิมพ์ในวารสารวิชาการEffect of high-temperature fluidized-bed drying on cooking, textural and digestive properties of waxy riceผู้แต่ง:Jaiboon, P., Prachayawarakorn, S., Devahastin, S.,  Mrs.Patcharee Tungtrakul, Soponronnarit, S., วารสาร:  
|
หัวเรื่อง:แนวทางการอบแห้งสับปะรดแช่อิ่มที่เหมาะสมที่สุด ผู้เขียน:Marina Nuimeem, Somchart Soponronnarit, Boosya Bunnag สื่อสิ่งพิมพ์:pdf AbstractA mathematical model for pineapple glace' drying based on thermal equilibrium between the drying air and the product was developed. The effect of temperature on product quality was observed. The effect of temperature, air flow rate and traction of air recycled on drying time and energy consumption were also observed. The criteria for optimum drying of pineapple glace' in a cabinet dryer were product quality, drying time and energy consumption. Experimental and simulated results showed that a drying temperature of 65?C, a specific air flow rate of about 11 kg dry air/h-kg dry pineapple glace' and about 0.75 of air recycled should be used. |